Using multiversion object-oriented databases in CAD/CIM systems

  • Jarogniew Rykowski
  • Wojciech Cellary
Object-Oriented Databases 1
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1134)


The Multiversion HyperData (MHD) approach to versioning in object-oriented databases for CAD/CIM is described. In this model, types of versions are introduced: revisions are used to model evolution in time, variants — to model parallel ways of development, and representations to model different forms of an object. Version types are related to the configurations rather than to single objects, thus permitting to automatically keep consistency of the sets of objects. Some operations specific for version types are proposed, including group operations for variants, and auto-derivation of one representation from another. Some implementation models are presented which differ in functionality, efficiency and potential application area.


versions revisions variants representations configuration management contexts engineering databases multiversion object-oriented databases 


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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Jarogniew Rykowski
    • 1
  • Wojciech Cellary
    • 1
  1. 1.EFP - the Franco-Polish School of New Information and Communication TechnologiesPoznańPoland

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